package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Scanner;

/**
 * 修改用户信息，根据用户输入的用户名修改该用户的密码和昵称
 * 使用预编译SQL语句完成
 */
public class JDBCDemo11 {
    public static void main(String[] args) throws SQLException {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入用户名：");
        String username = sc.next();
        System.out.println("请输入新密码：");
        String password = sc.next();
        System.out.println("请输入新昵称：");
        String nickname = sc.next();
        try (Connection conn = DBUtil.getConnection();){
            String sql = "UPDATE userinfo SET password=?,nickname=? WHERE username=?";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1, password);
            ps.setString(2, username);
            ps.setString(3, username);
            int count = ps.executeUpdate();
            if(count > 0){
                System.out.println("修改成功！");
            }
        }catch (SQLException e){
            e.printStackTrace();
        }
    }
}
